Quick-change filter cartridge



FIG. 1 is a top, front, left side perspective view of a quick-changefilter cartridge showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof, the rear being identical;

FIG. 4 is a left side elevational view thereof, the right side beingidentical;

FIG. 5 is a top, front, left side perspective view of a secondembodiment thereof;

FIG. 6 is a rear elevational view thereof, the front being a mirrorimage;

FIG. 7 is a left side elevational view thereof;

FIG. 8 is a bottom plan view thereof; and

FIG. 9 is a right side elevational view thereof, the lower portion shownpartially for ease of illustration.

The ornamental design for a quick-change filter cartridge, as shown anddescribed.